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WM850 High Performance Microstepping Driver

____________________________________________________________________________________________

Full Coil Co

uration

The full coil configuration o

rque at lower speeds is

esired. This configuration is also referred to as full copper. Divide the motor's specified per phase (or unipolar) current

current.

9.3 Connection to 4-Lead Motors

lead motors are the least flexible but easiest to wire. Speed and torque will depend on winding inductance. In setting

the driver

e current rating as the RMS current.

Figure 7: 6 Lead Half Coil (Higher Speed) Motor Connections

nfig

n a six lead motor should be used in applications where higher to

d
rating by 1.4 for the RMS

Figure 8: 6 Lead Full Coil (Higher Torque) Motor

output current, use the motors specified per phas

Figure 9: 4 Lead Motor Connections

* For the European Market – the maximum input voltage must be limited to 70VDC to comply with CE regulations.

Содержание WM540

Страница 1: ...his manual carefully before using driver Changzhou Wheeler Motor Co LTD www wheeler com cn 86 519 83252878 China info wheeler com cn The content of this manual has been carefully prepared and is believed to accurate but no responsibility is assumed for inaccuracies All Rights Reserved ...

Страница 2: ...otor heating than other drivers on the market Features of this driver High performance low cost Supply voltage up to 45VDC current to 4 0A for WM540 Driver Inaudible 20khz chopping frequency TTL compatible and optically isolated input signals Automatic idle current reduction Mixed decay current control for less motor heating 14 selectable resolutions in decimal and binary Microstep resolutions up ...

Страница 3: ...al in single pulse pulse direction mode this input represents pulse signal effective for each upward rising edge in double pulse mode pulse pulse this input represents clockwise CW pulse For reliable response pulse width should be longer than 3υs 3 Dir 5V Direction signal in single pulse mode this signal has 4 Dir Dir low high voltage levels representing two directions of motor rotation in double ...

Страница 4: ...re preferred due to their ability to withstand current surge If a regulated power supply is used it should be a linear type Multiple drivers It is possible to have multiple drivers share one power supply to reduce cost provided that the supply has enough capacity DO NOT dazy chain the power supply input pins of the drivers connect them to power supply separately to avoid cross interference Higher ...

Страница 5: ...dynamic current and standstill current as shown below Current during motion Microstep resolution Microstep Resolution Selection Microstep resolution is set by SW5 6 7 8 of the DIP switch as shown in the following table Microstep Step rev for 1 8 motor SW5 SW6 SW7 SW8 2 400 OFF ON ON ON 4 800 ON OFF ON ON 8 1600 OFF OFF ON ON 16 3200 ON ON OFF ON 32 6400 OFF ON OFF ON 64 12800 ON OFF OFF ON 128 256...

Страница 6: ... 7 Control Signal Connector P1 Interface This driver uses differential inputs to increase noise immunity and interface flexibility Single ended control signals from the indexer controller can also be accepted by this interface The input circuit has built in high speed opto coupler and can accept signals in the format of line driver open collector or PNP output Line driver differential signals are ...

Страница 7: ...ing Driver ___________________________________________________ Figure 3 Signal Interface __________________________________________ For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations ...

Страница 8: ...ly voltage exceeds 80VDC protec upply voltage is lower than 18VDC th W When power s e driver will not work properly b Coil ground Short Circuit Protection P c Over current Protection P driver Attentio supply leads are correctly connected to driver Otherwise the driv e damaged instantly 9 Driver Connection to Step Motors 4 5 ot 0 driver can drive 4 6 8 lead hybrid step motors The following diagr of...

Страница 9: ...oil use the full windings of the phases dings hence lower torque output ike the parallel connection of 8 lead motor the torque output will be greater at higher speeds due to lower inductance referred to as half copper In setting the driver output current use the motor s specified per Figure 5 8 Lead Motor Series Connections ration because of the lower inductance will ha M the RMS current Figure 6 ...

Страница 10: ...ad Motors lead motors are the least flexible but easiest to wire Speed and torque will depend on winding inductance In setting the driver e current rating as the RMS current _ Figure 7 6 Lead Half Coil Higher Speed Motor Connections nfig n a six lead motor should be used in applications where higher to d rating by 1 4 for the RMS Figure 8 6 Lead Full Coil Higher Torque Motor 4 output current use t...

Страница 11: ... 10 Connection Diagram for Driver Motor Controller A complete stepping system should include stepping motor stepping driver power supply an nerator ge A typical connection is shown below Figure 10 Driver connection in a stepping system 11 Control signal Waveform and Timing This driver can accept pulse control signals up to 500KHz Before a direction reversal direction signal needs to be es si For t...

Страница 12: ...his manual carefully before using driver Changzhou Wheeler Motor Co LTD www wheeler com cn 86 519 83252878 China info wheeler com cn The content of this manual has been carefully prepared and is believed to accurate but no responsibility is assumed for inaccuracies All Rights Reserved ...

Страница 13: ... heating than other drivers on the market Features of this driver High performance low cost Supply voltage up to 72VDC current to 5 0A for WM850 Driver Inaudible 20khz chopping frequency TTL compatible and optically isolated input signals Automatic idle current reduction Mixed decay current control for less motor heating 14 selectable resolutions in decimal and binary Microstep resolutions up to 2...

Страница 14: ...al in single pulse pulse direction mode this input represents pulse signal effective for each upward rising edge in double pulse mode pulse pulse this input represents clockwise CW pulse For reliable response pulse width should be longer than 3υs 3 Dir 5V Direction signal in single pulse mode this signal has 4 Dir Dir low high voltage levels representing two directions of motor rotation in double ...

Страница 15: ...preferred due to their ability to withstand current surge If a regulated power supply is used it should be a linear type Multiple drivers It is possible to have multiple drivers share one power supply to reduce cost provided that the supply has enough capacity DO NOT dazy chain the power supply input pins of the drivers connect them to power supply separately to avoid cross interference Higher sup...

Страница 16: ...esolution dynamic current and standstill current as shown below Current during motion Microstep resolution Microstep Resolution Selection Microstep resolution is set by SW5 6 7 8 of the DIP switch as shown in the following table Microstep Step rev for 1 8 motor SW5 SW6 SW7 SW8 2 400 off on on on 4 800 on off on on 8 1600 off off on on 16 3200 on on off on 32 6400 off on off on 64 12800 on off off ...

Страница 17: ... 7 Control Signal Connector P1 Interface This driver uses differential inputs to increase noise immunity and interface flexibility Single ended control signals from the indexer controller can also be accepted by this interface The input circuit has built in high speed opto coupler and can accept signals in the format of line driver open collector or PNP output Line driver differential signals are ...

Страница 18: ...ing Driver ___________________________________________________ Figure 3 Signal Interface __________________________________________ For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations ...

Страница 19: ...nd power i W en power supply voltage is lower than 18VDC b Coil ground Short Circuit Protection Protection will be activated in case of short circuit between motor coil and ground c Over current Protection Protection will be activated in case of excessive current such as a short circuit which may d er Attention since there is no protection against power leads reversal it is critical to make sure t...

Страница 20: ...oil use the full windings of the phases dings hence lower torque output ike the parallel connection of 8 lead motor the torque output will be greater at higher speeds due to lower inductance referred to as half copper In setting the driver output current use the motor s specified per Figure 5 8 Lead Motor Series Connections ration because of the lower inductance will ha M the RMS current Figure 6 ...

Страница 21: ...ad Motors lead motors are the least flexible but easiest to wire Speed and torque will depend on winding inductance In setting the driver e current rating as the RMS current _ Figure 7 6 Lead Half Coil Higher Speed Motor Connections nfig n a six lead motor should be used in applications where higher to d rating by 1 4 for the RMS Figure 8 6 Lead Full Coil Higher Torque Motor 4 output current use t...

Страница 22: ... 10 Connection Diagram for Driver Motor Controller A complete stepping system should include stepping motor stepping driver power supply an nerator ge A typical connection is shown below Figure 10 Driver connection in a stepping system 11 Control signal Waveform and Timing This driver can accept pulse control signals up to 500KHz Before a direction reversal direction signal needs to be es si For t...

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